Reread these lines from "polar opposites." how does

the arrangement of the words split, teeter, and

plunge contribute to their meaning?

In this case, in the polar opposite game of words " split, teeter, and   plunge; it is possible to appreciate a chain of events that lead the reader to think of a group of ice cubes splitting and falling into the water.

Explanation:

Polar opposites refers to the relationship of words to describe a concept that is  on the contrary fo some other, in some cases this word group can be found in idioms such as the group of words presented in the question to show some kind of idea.

For example: North and South, Hot and Cold, Dry and Wet.

1. read the following excerpt from franklin d. roosevelt's "fireside chat 19":

on the other side of the picture, we must learn also to know that guerilla warfare against the germans in, let us say serbia or norway, us; that a successful russian offensive against the germans us; and that british successes on land or sea in any part of the world strengthen our hands.

remember always that germany and italy, regardless of any formal declaration of war, consider themselves at war with the united states at this moment just as much as they consider themselves at war with britain or russia. and germany puts all the other republics of the americas into the same category of enemies. the people of our sister republics of this hemisphere can be honored by that fact.  

the true goal we seek is far above and beyond the ugly field of battle. when we resort to force, as now we must, we are determined that this force shall be directed toward ultimate good as well as against immediate evil. we americans are not destroyers — we are builders.

analyze the effectiveness of this excerpt. how does it function within the speech as a whole? how does the structure of the excerpt to convey the speech's purpose and key points? support your argument with evidence from the speech. (10 points)

i think the answer is invented words, rhyming knack, alliteration, and, metaphor.